Near-critical two-dimensional smectic-C to solid-like phase transition in azobenzene-derivative Langmuir monolayers

Yuka Tabe, Hiroshi Yokoyama

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

The Langmuir monolayers of amphiphilic derivatives of azobenzene were characterized on the basis of observed two dimensional smectic-C to solid like phase transition. The loss of continuous first order transition at higher temperatures and pressures confirmed the presence of a critical point and the existence of a two dimensional hexatic-hexatic transition. The characterization was based on surface pressure and molecular area isotherms, macroscopic optical textures and grazing incidence x-ray diffraction.

Original languageEnglish
Pages (from-to)1041-1051
Number of pages11
JournalJournal of Chemical Physics
Volume115
Issue number2
DOIs
Publication statusPublished - 2001 Jul 8
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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